/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --bg-main: #060913;
    --bg-slate: #0b1120;
    --bg-glass: rgba(15, 23, 42, 0.45);
    --border-glass: rgba(255, 255, 255, 0.06);
    
    --color-primary: #8b5cf6; /* Violet */
    --color-primary-glow: rgba(139, 92, 246, 0.15);
    --color-secondary: #06b6d4; /* Cyan */
    --color-secondary-glow: rgba(6, 182, 212, 0.15);
    --color-accent: #f43f5e; /* Rose */
    --color-gold: #f59e0b; /* Amber for Pinned */
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dark: #64748b;
    
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-main);
    background-image: 
        radial-gradient(at 10% 20%, rgba(139, 92, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 90% 80%, rgba(6, 182, 212, 0.08) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

/* Layout */
.bbs-wrapper {
    max-width: 1680px;
    margin: 0 auto;
    padding: 24px;
    min-height: 100vh;
}

header.bbs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    margin-bottom: 24px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.logo-section h1 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 2rem;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #a78bfa 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-section span {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.nav-actions {
    display: flex;
    gap: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #6d28d9 100%);
    color: #fff;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px var(--color-primary-glow);
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid var(--border-glass);
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Two Column Layout */
.bbs-container {
    display: grid;
    grid-template-columns: 1fr 370px;
    gap: 24px;
}

@media (max-width: 1024px) {
    .bbs-container {
        grid-template-columns: 1fr;
    }
}

/* Search and Filters */
.forum-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 280px;
}

.search-box input {
    width: 100%;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    padding: 12px 16px 12px 42px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 15px var(--color-primary-glow);
}

.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.filter-group {
    display: flex;
    gap: 8px;
    background: rgba(15, 23, 42, 0.6);
    padding: 4px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
}

.filter-btn {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    border: none;
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.08);
}

.filter-btn.active {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* Thread Cards */
.thread-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.thread-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 20px;
    backdrop-filter: blur(12px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.thread-card:hover {
    transform: translateY(-2px) scale(1.005);
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(139, 92, 246, 0.05);
}

/* Glass panel glow border */
.thread-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: transparent;
    transition: var(--transition);
}

.thread-card.is-top::before {
    background: var(--color-gold);
}

.thread-card.is-good::before {
    background: var(--color-secondary);
}

.thread-card:hover::before {
    background: var(--color-primary);
}

.thread-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
    gap: 12px;
}

.thread-title {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--text-main);
    line-height: 1.4;
}

.thread-title a:hover {
    color: var(--color-primary);
}

.badge-container {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
    margin-top: 4px;
}

.badge {
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-top {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-gold);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-good {
    background: rgba(6, 182, 212, 0.15);
    color: var(--color-secondary);
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.thread-snippet {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.thread-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-dark);
}

.author-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.author-name {
    color: var(--text-muted);
    font-weight: 500;
}

.stats-info {
    display: flex;
    gap: 16px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.stat-item i {
    font-size: 0.85rem;
}

/* Sidebar Cards */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.3);
}

.sidebar-title {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 18px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--text-main);
}

/* Forum Stats */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.stat-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-md);
    padding: 14px;
    text-align: center;
    transition: var(--transition);
}

.stat-box:hover {
    background: rgba(255, 255, 255, 0.05);
}

.stat-num {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
}

.stat-lbl {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Active Users */
.active-users-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.user-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-details {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar-large {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.user-name-sidebar {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.user-posts-count {
    font-size: 0.75rem;
    color: var(--color-primary);
    background: rgba(139, 92, 246, 0.1);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-weight: 700;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 30px;
}

.page-btn {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.page-btn:hover:not(.disabled) {
    border-color: var(--color-primary);
    background: rgba(139, 92, 246, 0.1);
}

.page-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 12px var(--color-primary-glow);
}

.page-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ========================================================
   THREAD VIEW PAGE SPECIFIC STYLES
   ======================================================== */

.thread-view-header {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    margin-bottom: 24px;
    backdrop-filter: blur(12px);
    position: relative;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.thread-view-header h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.3;
}

.thread-view-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.thread-view-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.thread-view-author-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
}

.thread-view-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.thread-view-stats {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Floor/Post Card Layout */
.post-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 24px;
}

.post-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    .post-card {
        grid-template-columns: 1fr;
    }
    
    .post-sidebar {
        border-right: none !important;
        border-bottom: 1px solid var(--border-glass);
        flex-direction: row !important;
        align-items: center;
        gap: 16px;
        padding: 16px !important;
        width: 100%;
        height: auto !important;
    }
    
    .post-sidebar-details {
        text-align: left !important;
        margin-top: 0 !important;
    }
}

.post-sidebar {
    background: rgba(15, 23, 42, 0.4);
    border-right: 1px solid var(--border-glass);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.post-avatar {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, #3b82f6 100%);
    border: 2px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    margin-bottom: 12px;
}

.post-sidebar-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
}

.post-author-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-main);
    word-break: break-all;
}

.badge-author {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
    border: 1px solid rgba(139, 92, 246, 0.3);
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    align-self: center;
    margin-top: 4px;
}

.post-author-ip {
    font-size: 0.75rem;
    color: var(--text-dark);
    margin-top: 6px;
}

.post-main {
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.post-meta-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding-bottom: 8px;
}

.post-floor {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--color-secondary);
}

.post-content {
    color: #e2e8f0;
    font-size: 1rem;
    white-space: pre-wrap;
    word-break: break-word;
    margin-bottom: 20px;
    flex: 1;
}

/* Image Grid attachments */
.image-attachments {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin-top: 14px;
    margin-bottom: 14px;
}

.img-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 1;
    border: 1px solid var(--border-glass);
    cursor: pointer;
}

.img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.img-wrapper:hover img {
    transform: scale(1.1);
}

.post-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--text-dark);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}

/* Comments Section (楼中楼) */
.post-comments-section {
    background: rgba(15, 23, 42, 0.3);
    border-top: 1px solid var(--border-glass);
    padding: 18px 24px;
    margin-top: auto;
}

.comments-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.comments-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
}

.toggle-comments-btn {
    background: transparent;
    border: none;
    color: var(--color-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    font-weight: 600;
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-left: 2px solid rgba(139, 92, 246, 0.2);
    padding-left: 16px;
    margin-top: 10px;
}

.comment-item {
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.comment-author {
    font-weight: 600;
    color: var(--text-main);
}

.comment-content {
    color: #cbd5e1;
}

.comment-meta {
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--text-dark);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    color: var(--color-primary);
}

/* Lightbox/Image viewer */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(2, 6, 23, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-img {
    max-width: 90%;
    max-height: 90%;
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
}

/* Heatmap Card styling */
.heatmap-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 24px;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.heatmap-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.heatmap-header h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
}

.heatmap-legend {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.legend-box {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.heatmap-grid-scroll {
    overflow-x: auto;
    width: 100%;
}

.heatmap-grid {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 760px;
    padding-bottom: 4px;
}

.heatmap-row {
    display: grid;
    grid-template-columns: 50px repeat(36, 1fr);
    gap: 4px;
    align-items: center;
}

.heatmap-row.header-row {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding-bottom: 4px;
    margin-bottom: 4px;
}

.year-label {
    font-family: 'Outfit', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

.month-label {
    text-align: center;
}

.heatmap-cell {
    aspect-ratio: 1;
    border-radius: 2px;
    cursor: pointer;
    transition: var(--transition);
}

.heatmap-cell:hover {
    transform: scale(1.2);
    z-index: 10;
}

/* Heatmap cell levels */
.level-0 { background-color: rgba(255, 255, 255, 0.03); }
.level-1 { background-color: rgba(6, 182, 212, 0.2); }
.level-2 { background-color: rgba(6, 182, 212, 0.5); }
.level-3 { background-color: rgba(139, 92, 246, 0.7); }
.level-4 { 
    background-color: rgba(139, 92, 246, 1.0); 
    box-shadow: 0 0 8px rgba(139, 92, 246, 0.8);
}

/* Heatmap Cell Tooltip */
.heatmap-cell[data-tooltip] {
    position: relative;
}

.heatmap-cell[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 130%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.95);
    color: #fff;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 100;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
}

.heatmap-cell[data-tooltip]:hover::after {
    opacity: 1;
}

/* Modal Overlay & Panel */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(2, 6, 23, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 900;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content.glass-panel {
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 30px rgba(139, 92, 246, 0.1);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content.glass-panel {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-header h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.75rem;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.modal-close-btn:hover {
    color: var(--color-accent);
}

.modal-body {
    padding: 10px 20px 20px;
    overflow-y: auto;
    flex: 1;
}

/* Scrollbar styles for list and body */
.scrollable-list::-webkit-scrollbar {
    width: 6px;
}
.scrollable-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.01);
}
.scrollable-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}
.scrollable-list::-webkit-scrollbar-thumb:hover {
    background: rgba(139, 92, 246, 0.4);
}

.contributor-row {
    display: flex;
    align-items: center;
    padding: 12px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: var(--transition);
    border-radius: var(--radius-sm);
}

.contributor-row:hover {
    background: rgba(255, 255, 255, 0.03);
}

.contributor-rank {
    width: 36px;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.contributor-row:nth-child(1) .contributor-rank { color: #f59e0b; }
.contributor-row:nth-child(2) .contributor-rank { color: #94a3b8; }
.contributor-row:nth-child(3) .contributor-rank { color: #b45309; }

.contributor-name {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.contributor-posts {
    font-size: 0.8rem;
    color: var(--color-primary);
    background: rgba(139, 92, 246, 0.1);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-weight: 700;
}

/* User Hover Card Popover */
#user-hover-card {
    position: absolute;
    z-index: 10000;
    width: 400px;
    background: rgba(15, 23, 42, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.85), 0 0 25px rgba(139, 92, 246, 0.12);
    backdrop-filter: blur(18px);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    transform: translateY(10px);
}

#user-hover-card.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.hover-card-inner {
    padding: 20px;
}

.hover-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

.hover-card-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.18);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.hover-card-details {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.hover-card-name {
    font-weight: 700;
    color: var(--text-main);
    font-size: 1.08rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.hover-card-username {
    font-size: 0.78rem;
    color: var(--text-dark);
}

.hover-card-stats {
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: 10px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    margin-bottom: 12px;
}

.hover-card-stat-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hover-card-stat-box .num {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-secondary);
}

.hover-card-stat-box .lbl {
    font-size: 0.65rem;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

.hover-card-ip {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.hover-card-chart-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-align: center;
}

.hover-card-chart-container {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    padding: 10px 8px 4px;
}

.hover-card-chart-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.65rem;
    color: var(--text-dark);
    margin-top: 4px;
    font-weight: 500;
}

.user-hover {
    cursor: pointer;
}

.user-hover:hover {
    color: var(--color-primary) !important;
}

/* Spinner loader inside card */
.hover-card-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: var(--text-muted);
    gap: 10px;
    font-size: 0.8rem;
}

.hover-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(139, 92, 246, 0.15);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spinner 0.6s linear infinite;
}

@keyframes spinner {
    to { transform: rotate(360deg); }
}

/* Sidebar Heatmap Card specifics to remove scrollbars and shrink grid */
.heatmap-sidebar-card {
    padding: 16px 12px;
}
.heatmap-sidebar-card .heatmap-grid-container {
    width: 100%;
    overflow: visible;
}
.heatmap-sidebar-card .heatmap-grid {
    min-width: 0;
    width: 100%;
    gap: 2px;
    padding-bottom: 0;
}
.heatmap-sidebar-card .heatmap-row {
    grid-template-columns: 32px repeat(36, 1fr);
    gap: 1.5px;
}
.heatmap-sidebar-card .year-label {
    font-size: 0.7rem;
    font-weight: 600;
}
.heatmap-sidebar-card .heatmap-cell {
    border-radius: 1px;
}

/* Sparkline dynamic detail tooltip inside hover card */
.sparkline-tooltip {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 6px;
    min-height: 16px;
    font-weight: 500;
}